package com.hxz.lesson03;

import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;

public class UdpClientDemo01 {
    public static void main(String[] args) throws Exception{
        //1、建立一个socket
        DatagramSocket socket = new DatagramSocket();
        //2、建个包
        String msg = "你好啊，服务器";
        InetAddress localhost = InetAddress.getByName("localhost");
        int port = 9090;
        DatagramPacket packet = new DatagramPacket(msg.getBytes(), 0, msg.getBytes().length, localhost, port);
        //3、发送包
        socket.send(packet);
        //4、关闭流
        socket.close();
    }
}
